CN106495821A - A kind of saline-alkali soil conditioner and preparation method thereof - Google Patents
A kind of saline-alkali soil conditioner and preparation method thereof Download PDFInfo
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- CN106495821A CN106495821A CN201610793169.6A CN201610793169A CN106495821A CN 106495821 A CN106495821 A CN 106495821A CN 201610793169 A CN201610793169 A CN 201610793169A CN 106495821 A CN106495821 A CN 106495821A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/14—Fungi; Culture media therefor
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/14—Fungi; Culture media therefor
- C12N1/16—Yeasts; Culture media therefor
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
Abstract
A kind of biological organic fertilizer for being exclusively used in salt-soda soil, it is characterised in that including following parts by weight of component：100 parts of crop material powder, 3～5 parts of humic acidss, 20 22 parts of shitosan, 1～10 part of kieselguhr, 4.6 4.8 parts of ferment fertilizer, 56 parts of conch meal, 5 part 6 of solid spawn, 0.5～1 part of Borax, 2～4 parts of zinc sulfate, rice husk micropowder 3 3.2, 2.5 2.6 parts of Gypsum Fibrosum powder, 23 parts of dodecylbenzene sodium sulfonate, 34 36 parts of Folium Pini leaf mould, 1 1.2 parts of para-molybdic acid, 0.9 1.1 parts of acetone acid, 1 1.2 parts of ulmic acid, 67 parts of nitro humic acid, 1.2 1.4 parts of appropriate water of metal complex ion.
Description
Technical field
The present invention relates to fertilizer field, more particularly to a kind of saline-alkali soil conditioner and preparation method thereof.
Background technology
Saline-alkali soil conditioner nutrient comprehensively, can improved soil, improve the soil compaction caused using chemical fertilizer.Change
Kind soil physical and chemical property, strengthens soil water-retaining, fertilizer conservation, the ability of fertilizer.Beneficial microbe in saline-alkali soil conditioner is entered
Mutual symbiosis Relationship With Proliferation is formed after soil with Soil Microorganism, is suppressed harmful bacteria growing and is converted into probioticss, phase
Interaction, mutually promotes, and plays the synergism of colony, and probioticss produce substantial amounts of metabolite during growth and breeding,
Promote the decomposition and inversion of Organic substance, directly or indirectly multiple nutrition and pungent can be provided for crop, promote and regulation and control are made
Thing grows.Soil porosity, penetrating commutativity and plant survival rate is improved, increases probioticss and soil microorganism.Meanwhile,
The advantage profitable strain that crop root is formed can suppress harmful pathogen procreation, strengthen the degeneration-resistant resistances against diseases of crop, reduce continuous cropping
The disease index of crop, applies year after year and can alleviate significantly continuous cropping obstacle.Environmental pollution is reduced, to people, animal, Environmental security, nontoxic,
It is a kind of environment-friendly type fertilizer.
Saline-alkali soil conditioner is according to rhizosphere soil microecology and plant battalion physiological principle, with multifunctional microbial
Active bacteria (nitrogen-fixing bacteria, phosphate solubilizing bacteria, B. mucilaginocus) is core, with fertilizer type organic matter as carrier, then is equipped with a small amount of inorganic
Nutrient and trace element process with pollution-free, nuisanceless, be suitable to the new-type fertilizer for producing pollution-free food.This new
Fertilizer can draw to crop rhizosphere soils and be implanted with beneficial microorganism dominant group, reach infertile field strong sprout, rush to crops fertilizer again
Biological and ecological methods to prevent plant disease, pests, and erosion disease and the purpose of good quality and high output.According to the requirement of Ministry of Agriculture's saline-alkali soil conditioner industry standard (NY/T798-2004),
Living bacteria count amount have to be larger than 2,000 ten thousand/gram, total nutrient (N+P2O5+K2O) and have to be larger than 6%.Ensure high viable count
Amount, the support material for accounting for product formula ratio 70%-80% are the principal elements for affecting number of viable.Salt is produced in the market
Alkali soil conditioner product mainly has following problem：
1st, main by the use of turf or humic acidss as organic carrier.Contain substantial amounts of organic matter, C/N in turf and humic acidss
Than meeting the conditions of existence of microorganism, the number of viable of microorganism is ensure that.But turf and humic acidss belong to mineral, by state
The restriction of family's resource, a large amount of exploitations can destroy ecology, and apply in soil it is difficult to dissolve, organic matter therein and humic acidss are very
Hardly possible is affected fertilizer efficiency by crop utilization, while the price of turf and humic acidss also goes up year by year, the production cost of product is also year by year
Improve.
2nd, product forms are mainly based on powdery.Baking due to containing viable bacteria in saline-alkali soil conditioner, in granulation process
Dry have a great impact to number of viable, and belongs to mineral state Organic Ingredientss due to turf and humic acidss, more indissoluble after pelletize
Solution, grain affect the quality and effect of product.But northern a lot of place arable lands belong to machine sowing, and powder product cannot be used, so not
Granulating, directly influences using in a large number and promoting for product.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of granule saline-alkali soil conditioner for not affecting biological activity
Production method, while a kind of new raw material for producing saline-alkali soil conditioner of safety and environmental protection is provided, the method production
Saline-alkali soil conditioner product quality can reach《Composite microbe fertilizer》Agriculture standard (NY/T798-2004), and dissolubility
Good.
The technical scheme is that, a kind of biological organic fertilizer for being exclusively used in salt-soda soil, including following parts by weight of component：Make
100 parts of thing powder of straw, 3～5 parts of humic acidss, shitosan 20-22 parts, 1～10 part of kieselguhr, conch meal 5-6 parts, solid spawn 5-
Part 6,0.5～1 part of Borax, 2～4 parts of zinc sulfate, rice husk micropowder 3-3.2, Gypsum Fibrosum powder 2.5-2.6 parts, DBSA
Sodium 2-3 parts, Folium Pini leaf mould 34-36 parts, para-molybdic acid 1-1.2 parts, acetone acid 0.9-1.1 parts, ulmic acid 1-1.2 parts, nitro are rotten
The appropriate water of phytic acid 6-7 parts, metal complex ion 1.2-1.4 parts.
The described biological organic fertilizer preparation method for being exclusively used in salt-soda soil, it is characterised in that comprise the following steps：
(1) by kieselguhr, conch meal, Gypsum Fibrosum powder mixing, it is put in muffle furnace in 150 DEG C of heated and stirred 30-40min, it
Ball milling crosses 100 mesh afterwards, obtains composite powder standby；The water of dodecylbenzene sodium sulfonate and gross weight 2.2-2.4 times is mixed, and
Stirring reaction 30-32min at 180-190 DEG C, is cooled to 110-120 DEG C afterwards, adds Gypsum Fibrosum powder stirring reaction 25-27min, stops
Only heat, quick stirring 4-5min is obtained standby with twin-channel coated fertilizer to uniform；
(2) will be rotten to humic acidss, shitosan, solid spawn, Borax, zinc sulfate, Folium Pini leaf mould, para-molybdic acid, acetone acid, palm fibre
The water mixing and stirring of acid, nitro humic acid and gross weight 2-3 times, adds rice husk micropowder and DBSA
Sodium, homogenizing stir process 15-20min are dry that nutritive powder is standby using spray drying technology；
(3) by crop material compost 36-40d, it is put into crushing 20-30min in pulverizer afterwards, crosses 300 mesh steel sieve, winner
Feed powder, major ingredient powder and nutritive powder mixing are put in blender of the top with shower nozzle, and stirring 15-16min is to after uniform
Adopt centrifuge dehydration to moisture for the 35% of gross weight, there is twin-channel coated fertilizer uniformly spraying into by shower nozzle,
Form the wet stock with coated fertilizer；
(4) wet stock with coated fertilizer is sent into the roller pelletizer with hot-air blower, setting speed 380-390r/
Min, temperature 86-90 DEG C, pelletize 46-50min cross 50 mesh steel sieve, obtain spherical fertilizer, and the spherical fertilizer is first cold with -3 DEG C of low temperature
Freeze 20-22min, 100 DEG C are progressively being warming up to using 60 DEG C, are being obtained final product to dry with 1 DEG C/min heating modes baking 40min.
The preparation process of the solid spawn is：By lactic acid bacteria, bacillus subtilises, bacillus megaterium, Trichoderma spp., black fermented preparation
Mould, monascuses, trichoderma harzianum, microorganism Aspergillus aculeatus and yeast are individually fermented respectively using industrial fermentation tank, operating procedure and
Process conditions are：
A, the preparation of basal medium：Soybean with water boils 30min, is settled to after filtration；
Prepared by b, lactic acid bacteria, bacillus subtilises, trichoderma harzianum, bacillus megaterium culture medium：Carnis Bovis seu Bubali cream 1g, albumen
Peptone 2g, sodium chloride 1g, glucose 3g, basal medium 200mL, pH 7.5,
Prepared by c, Trichoderma spp., aspergillus niger, monascuses, yeast culture medium：Glucose 7g, potassium dihydrogen phosphate 0.4g, peptone 2g,
Magnesium sulfate 0.2g, basal medium 400mL, pH 6.5, after the completion of prepared by culture medium, autoclave sterilization 30min accesses phase after cooling
Strain is answered, and the flat bottle that culture medium is will be equipped with before inoculation sterilizes 30 minutes under the conditions of 121 DEG C, after inoculation under the conditions of 28～35 DEG C
30～48h of culture, is made into spore liquid, is inoculated with for seed tank with the inoculum concentration of percent by volume 5%；
D, seed tank fermentation：First first class seed pot is sterilized, is sterilized after loading seed tank fermentation medium again, is cooled to 30
DEG C, spore liquid is accessed in culture fluid, after fermentation tank inoculation, is cultivated 36～48 hours under the conditions of 28～35 DEG C, ventilation 1～
2Vols/vol min, oxygen content 30～40%；, obtain first class seed pot zymocyte liquid；Secondary seed tank is gone out at 121 DEG C
Bacterium 30min, sterilizes after loading culture medium again, is cooled to 30 DEG C, and first class seed pot fermentation liquid is pressed percent by volume 5%～8%
Inoculum concentration accesses secondary seed tank, is passed through filtrated air and stirring is cultivated, obtain secondary seed tank zymocyte liquid；Fermentation liquid contains
Per milliliter of brood cell's number living puts tank up to more than 5,000,000,000 when brood cell's ratio is up to more than 95%, pH value 7.0-8.0, without living contaminantses, institute
State seed tank fermentation medium group to be divided into：10%～15wt% of Testa oryzae, 25%～35wt% of Semen Glyciness, 20%～30wt% of white sugar,
15%～20wt% of fish flour, 5%～10wt% of carbamide, 5%～10wt% of trace element, 15%～25wt% of yeast powder, manna
2%～5wt% of alcohol, 1%～6wt% of K2HPO4,1～6wt% of KH2PO41%～6wt%, MgSO4 7H2O and water, respectively
Component sum is 100%.
Lactic acid bacteria has the function of suppressing the breeding of soil harmful bacteria, stimulate beneficial bacteria growing, prevent soil-borne disease, and it can also
Compound enzyme is produced, promotes lignin, the degraded of cellulose, increase the soil organism.The lipopeptid that bacillus subtilises metabolism is produced
Class compound can prevent and treat wheat powdery mildew, rice blast, head blight, banded sclerotial blight, charcoal myiasis, cucumber downy mildew, bacterial wilt of tomato, ash
The plant diseases such as mildew, it also can induce crop and produce the hormonal substances such as heteroauxing, improve plant growth hormonal readiness, promote
Enter the growth reproduction of plant.Yeast can produce the organic matter in degraded enzymatic degradation soil, also produce cellulose, nucleic acid and growth
The plant modifying agent class material such as element, gibberellins, can assist lactic acid bacteria accelerate organic matter fermentation, so as to increase the activity of fertilizer into
Point, play fixed nitrogen, Soluble phosphorus, the effect of potassium decomposing.In addition, Trichoderma spp. can produce highly active cellulase, with stronger decomposition
The ability of cellulose；Aspergillus niger, monascuses are decomposing microbial inoculums, can promote becoming thoroughly decomposed for organic materials, cracking larger molecular organicses and
The inorganic matters of indissoluble, are easy to absorbing for crop.Multiple-microorganism species compound use, have complementary advantages, can make growth-promoting functions,
Fertilizer efficiency effect preferably combines, and improves fertilizer utilization efficiency.
After the microbial organic fertilizer granule in the improvement salt-soda soil that the present invention is dried enters soil, due to Brassica campestris L rapeseed cake and
Crop Fructus Citri tangerinae bar also has 40% or so not to be completely broken down, and after adsorption moisture, spore and spore start to sprout, and gradually in environment
Releasing microbe, plays a part of slow release thalline, it is ensured that lasting high bacterium number and prolongation microbial survival time, in local soil
Middle sustainable development simultaneously forms local superiority's monoid.
Specific embodiment
With reference to being further described to the present invention with embodiment.
Embodiment 1
A kind of biological organic fertilizer for being exclusively used in salt-soda soil, including following parts by weight of component：100 parts of crop material powder, rotten plant
Acid 3～5 parts, shitosan 20-22 parts, 1～10 part of kieselguhr, conch meal 5-6 parts, solid spawn 5- parts 6,0.5～1 part of Borax,
2～4 parts of zinc sulfate, rice husk micropowder 3-3.2, Gypsum Fibrosum powder 2.5-2.6 parts, dodecylbenzene sodium sulfonate 2-3 parts, Folium Pini leaf mould
34-36 parts, para-molybdic acid 1-1.2 parts, acetone acid 0.9-1.1 parts, ulmic acid 1-1.2 parts, nitro humic acid 6-7 parts, metal complex
The appropriate water of ion 1.2-1.4 parts.
The described biological organic fertilizer preparation method for being exclusively used in salt-soda soil, it is characterised in that comprise the following steps：
(1) by kieselguhr, conch meal, Gypsum Fibrosum powder mixing, it is put in muffle furnace in 150 DEG C of heated and stirred 30-40min, it
Ball milling crosses 100 mesh afterwards, obtains composite powder standby；The water of dodecylbenzene sodium sulfonate and gross weight 2.2-2.4 times is mixed, and
Stirring reaction 30-32min at 180-190 DEG C, is cooled to 110-120 DEG C afterwards, adds Gypsum Fibrosum powder stirring reaction 25-27min, stops
Only heat, quick stirring 4-5min is obtained standby with twin-channel coated fertilizer to uniform；
(2) will be rotten to humic acidss, shitosan, solid spawn, Borax, zinc sulfate, Folium Pini leaf mould, para-molybdic acid, acetone acid, palm fibre
The water mixing and stirring of acid, nitro humic acid and gross weight 2-3 times, adds rice husk micropowder and DBSA
Sodium, homogenizing stir process 15-20min are dry that nutritive powder is standby using spray drying technology；
(3) by crop material compost 36-40d, it is put into crushing 20-30min in pulverizer afterwards, crosses 300 mesh steel sieve, winner
Feed powder, major ingredient powder and nutritive powder mixing are put in blender of the top with shower nozzle, and stirring 15-16min is to after uniform
Adopt centrifuge dehydration to moisture for the 35% of gross weight, there is twin-channel coated fertilizer uniformly spraying into by shower nozzle,
Form the wet stock with coated fertilizer；
(4) wet stock with coated fertilizer is sent into the roller pelletizer with hot-air blower, setting speed 380-390r/
Min, temperature 86-90 DEG C, pelletize 46-50min cross 50 mesh steel sieve, obtain spherical fertilizer, and the spherical fertilizer is first cold with -3 DEG C of low temperature
Freeze 20-22min, 100 DEG C are progressively being warming up to using 60 DEG C, are being obtained final product to dry with 1 DEG C/min heating modes baking 40min.
The preparation process of the solid spawn is：By lactic acid bacteria, bacillus subtilises, bacillus megaterium, Trichoderma spp., black fermented preparation
Mould, monascuses, trichoderma harzianum, microorganism Aspergillus aculeatus and yeast are individually fermented respectively using industrial fermentation tank, operating procedure and
Process conditions are：
A, the preparation of basal medium：Soybean with water boils 30min, is settled to after filtration；
Prepared by b, lactic acid bacteria, bacillus subtilises, trichoderma harzianum, bacillus megaterium culture medium：Carnis Bovis seu Bubali cream 1g, albumen
Peptone 2g, sodium chloride 1g, glucose 3g, basal medium 200mL, pH 7.5,
Prepared by c, Trichoderma spp., aspergillus niger, monascuses, yeast culture medium：Glucose 7g, potassium dihydrogen phosphate 0.4g, peptone 2g,
Magnesium sulfate 0.2g, basal medium 400mL, pH 6.5, after the completion of prepared by culture medium, autoclave sterilization 30min accesses phase after cooling
Strain is answered, and the flat bottle that culture medium is will be equipped with before inoculation sterilizes 30 minutes under the conditions of 121 DEG C, after inoculation under the conditions of 28～35 DEG C
30～48h of culture, is made into spore liquid, is inoculated with for seed tank with the inoculum concentration of percent by volume 5%；
D, seed tank fermentation：First first class seed pot is sterilized, is sterilized after loading seed tank fermentation medium again, is cooled to 30
DEG C, spore liquid is accessed in culture fluid, after fermentation tank inoculation, is cultivated 36～48 hours under the conditions of 28～35 DEG C, ventilation 1～
2Vols/vol min, oxygen content 30～40%；, obtain first class seed pot zymocyte liquid；Secondary seed tank is gone out at 121 DEG C
Bacterium 30min, sterilizes after loading culture medium again, is cooled to 30 DEG C, and first class seed pot fermentation liquid is pressed percent by volume 5%～8%
Inoculum concentration accesses secondary seed tank, is passed through filtrated air and stirring is cultivated, obtain secondary seed tank zymocyte liquid；Fermentation liquid contains
Per milliliter of brood cell's number living puts tank up to more than 5,000,000,000 when brood cell's ratio is up to more than 95%, pH value 7.0-8.0, without living contaminantses, institute
State seed tank fermentation medium group to be divided into：10%～15wt% of Testa oryzae, 25%～35wt% of Semen Glyciness, 20%～30wt% of white sugar,
15%～20wt% of fish flour, 5%～10wt% of carbamide, 5%～10wt% of trace element, 15%～25wt% of yeast powder, manna
2%～5wt% of alcohol, 1%～6wt% of K2HPO4,1～6wt% of KH2PO41%～6wt%, MgSO4 7H2O and water, respectively
Component sum is 100%.
1. experimental field and test material
Experimental field：Shandong Province Accessories during Binzhou Bincheng District willow snow town He Feng gardens, the new wasteland that opens up wasteland, soil salt content exist
0.4%-0.9%.
Material to be tested：Health ground precious (BeiJing KangDiBao Biological Technology Co., Ltd), soil conditioner of the present invention are (according to enforcement
Prepared by example method).
2. EXPERIMENTAL DESIGN
Experimental field prepare：In advance the soil in halophytess Yuan Xin gardens is chemically examined.For ensureing that general long-term cropping has one
Fixed growth (salt resistance ability of halophytess is typically in 0.4-0.6%), tests the salinity in plot in 0.4-0.9%.Will examination
Parcel division is tested for 66.6m2Cell.
3. test process
The screening test of 3.1 modifying agents
If precious and of the present invention three experimental grouies of soil conditioner in blank, health ground, three repetitions of each experimental group.
The administration of modifying agent：Before spring sowing, modifying agent is manured into soil by (mid-April).It is liquid that health ground is precious, is watered
Uniformly spray after dilution；Soil conditioner of the present invention is solid particle, directly can spread fertilizer over the fields.It is 300ml per cell consumption that health ground is precious
Uniformly spray after being watered 2000ml dilutions.Pour water after modifying agent, be 3m per cell irrigation quantity3.
Soil conditioner of the present invention is set per tri- process of cell consumption 2Kg, 4Kg, 6Kg, three repetitions of each process.This
Uniformly spread fertilizer over the fields before the sowing of invention soil conditioner in experimental field, long-term cropping Fructus Cucumidis sativi, size row are planted, big row 80cm, little row
50cm, spacing in the rows 25cm, artificial dibbling, covering with ground sheeting.
3.2 soil salt contents are determined
Sampling：Evaporating the salification phase before modifying agent is applied, before with latter one month, vigorous period, results, after harvesting takes for five times
Soil sample.Per cell, fixed 3 points of " S " types sampling, plugs sign board.
Assay method：Conductance method.
The measure of 3.3 soil physico-chemical properties
Sampling：Per cell, fixed 3 points of " S " types sampling, plugs sign board, before soil conditioner of the present invention is applied, with rear one
Individual month, three soil samplings after crop harvesting.
PH value assay method：Potentiometry
Soil weight assay method：Core cutter method
Porosity determination method：Calculating method Jie 1-pb/ps
Soil available N content assaying method：Alkaline hydrolysis diffusion method
Soil rapidly available P content assaying method：Sodium bicarbonate method
Soil Available K content assaying methods：Sodium tetraphenylborate extraction method
Soil organism assay method：High temperature exterior-heat potassium dichromate oxidation volumetric method
Soil microbial biomass
Sampling：20 days after soil conditioner administration of the present invention；Assay method：Flat board is coated with counting method.
Soil microbial activities
Sampling：Reclamation material for saline-alkali soil apply after 5 days, 10 days, 15 days, 20 days, 25 days totally five sub-samplings；Measure side
Method：C0 is surveyed with closed quiescent culture2Method.
4. result of the test
4.1 apply different impacts of the modifying agent to soil salt content
Generally, in 1 year, the change of upper soll layer salinity can be divided into four-stage, evaporation salification phase in spring, summer
Salt phase, evaporation salification phase in autumn, winter relatively stable period are drenched in rainfall.After applying modifying agent, a lunar regolith salinity begins to drop
Low, it was demonstrated that modifying agent has worked；Reduce at most in crop vigorous period (rainy season) salinity, be on the one hand modifying agent
Effect, is on the other hand the pouring salt action of rainfall：Before harvesting, salinity starts to increase, on the one hand because the minimizing of rainfall, another
Aspect is reduced with the maturation of crop, covered ground；Stable in certain numerical value to the evaporation salification phase.Work due to long-term cropping
With the salinity of check plot also has a number of minimizing.Compared with the control, in the period of each is different, modifying agent of the present invention
The soil salt content of the precious group of group and health ground is below compareing, and illustrates that soil conditioner of the present invention and health ground treasured have preferably
Change salt effect.
Soil salt content relative reduction amount=(modifying agent with front soil salt content-use rear soil salt content) front soil of ÷
Earth salinity.It is impossible due to selecting the on all four plot of salinity, even if different location salinity in the areal
Also there is different.Therefore, can only be weighed with soil salt content relative reduction amount and just have comparability.As it can be seen from table 1 applying
High all than compareing with modifying agent soil salt content relative reduction amount, the precious group in health ground is compared with blank control group with significance difference
Different, soil conditioner group of the present invention is compared with blank control group with pole significant difference, and soil conditioner effect of the present invention
It is better than Kang Dibao.
1 severe salinized soil soil salt content (%) dynamic change of table
Compare with blank control group,*P ＜ 0.05**P ＜ 0.01
Impact of 4.2 soil conditioners of the present invention to soil physico-chemical property
4.2.1 unit weight, porosity
2 soil conditioner of the present invention of table is to the soil weight, the impact of porosity
From table 2 it can be seen that soil conditioner of the present invention can reduce the soil weight, increase the porosity of soil.For ensureing
The reliability and representativeness of result of the test, sampling of the sampling before soil conditioner administration of the present invention before non-site preparation, after administration
Any farm work is not carried out after crop harvesting, through carried out after after a while steady and sure, even so, due to crop
Growth and inevitable anthropic factor, the soil weight of control also have certain reduction, and porosity also has increase, but applies this
Bright soil conditioner effect becomes apparent from, and this shows that soil conditioner of the present invention has the reduction soil weight, increases soil porosity
Effect, makes the salt affected soil of excessively consolidation become more loose, increased the permeability of soil, be conducive to Nutrient Transformation, while
It is that soil microorganism and crop root provide breathing condition, improved soil structure.
4.2.2 soil salt content, pH value and available N, P, K content
3 soil conditioner of the present invention of table is to severe salt-soda soil salt content, pH value and available N, the shadow of P, K content (mg/L)
Ring
Compare with blank control group,*P ＜ 0.05,**P ＜ 0.01；With2kg amount of application groups are compared,ΔP ＜ 0.05,ΔΔP ＜
0.01.
Soil conditioner of the present invention be can be seen that from 3 result of the test of table can reduce the pH value of soil, increase soil available N,
The content of P, K.With the reduction of soil salt content, pH value also reduces, but still in alkalescence, because still with the presence of salt ion, as long as
With the presence of salt ion, soil pH value is just in alkalescence.From in terms of result, available N, the content of P, K improve few, the mainly life of crop
Length needs to consume a part of nutrient, is the reliability for ensureing result, and the sampling after soil conditioner administration of the present invention is in crop harvesting
Carry out after obtaining.
Soil conditioner of the present invention change and blank and cell consumption 2Kg's per cell consumption 4Kg soil salt contents
Significant difference, extremely notable with the difference of blank and cell consumption 2Kg per the change of cell consumption 6Kg soil salt contents.Cell
Consumption 4Kg and 6Kg difference is not notable.Consumption 4Kg expenses are lower than 6Kg, therefore cell consumption 4Kg (mu consumption 40Kg) effect is most suitable
Preferably.From in terms of result of the test, with the increase of soil conditioner consumption of the present invention, there are certain effect, but effect to the reduction of salinity
It is not particularly significant, during actual selection consumption, will considers that increased income is more than input cost.
4.3 the soil organism
Situation of change (the consumption of 4 soil organism of table40kg/ mu)
The soil organism is an important indicator of soil fertility, and the soil organism can not only be for needed for crop provides
Various nutrients, while the formation to soil aggregate, soil moisture, the supply of nutrient and the differentiation of preservation of fertility
Produce material impact；Also the composition to soil salt and property, the improvement in salt-soda soil are produced material impact.Knot is tested by table 4
After fruit is as can be seen that apply soil conditioner of the present invention, the soil organism is significantly improved.
Impact of 4.4 soil conditioners of the present invention to soil microbial biomass and activity
Impact of the reclamation material for saline-alkali soil to soil microbe quantity applied by table 5
The result of the test of table 5 shows, adds the salt affected soil institute of the salt affected soil than blank group of soil conditioner of the present invention
The antibacterial that contains, actinomycetes, the quantity of nitrogen-fixing bacteria are significantly increased.It follows that salt affected soil add soil conditioner with
Afterwards, the biological activity of soil is greatly improved, and have activated the microorganism in soil, and soil microorganism is all entered with fast speed
Row breeding, increasing number illustrate that this soil conditioner of the present invention has actively to the improvement of salt affected soil microbial ecological structure
Effect.Soil microbial biomass directly or indirectly reflects change, Soil Nutrient Transformation and the supply situation of soil fertility, soil
Microbial biomass can weigh the height of soil fertility.Therefore, increasing for soil microbe quantity substantially reflect soil of the present invention
Effect of the modifying agent in terms of improvement salt-soda soil.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (3)
1. a kind of biological organic fertilizer for being exclusively used in salt-soda soil, it is characterised in that including following parts by weight of component：Crop material powder
100 parts, 3～5 parts of humic acidss, shitosan 20-22 parts, 1～10 part of kieselguhr, conch meal 5-6 parts, solid spawn 5- parts 6, Borax
0.5～1 part, 2～4 parts of zinc sulfate, rice husk micropowder 3-3.2, Gypsum Fibrosum powder 2.5-2.6 parts, dodecylbenzene sodium sulfonate 2-3 parts,
Folium Pini leaf mould 34-36 parts, para-molybdic acid 1-1.2 parts, acetone acid 0.9-1.1 parts, ulmic acid 1-1.2 parts, nitro humic acid 6-7
The appropriate water of part, metal complex ion 1.2-1.4 parts.
2. the biological organic fertilizer preparation method in salt-soda soil is exclusively used in as claimed in claim 1, it is characterised in that including following step
Suddenly：
(1) by kieselguhr, conch meal, Gypsum Fibrosum powder mixing, it is put in muffle furnace in 150 DEG C of heated and stirred 30-40min, Zhi Houqiu
Honed 100 mesh, obtains composite powder standby；The water of dodecylbenzene sodium sulfonate and gross weight 2.2-2.4 times is mixed, and in 180-
Stirring reaction 30-32min at 190 DEG C, is cooled to 110-120 DEG C afterwards, adds Gypsum Fibrosum powder stirring reaction 25-27min, stops adding
Heat, quick stirring 4-5min are obtained standby with twin-channel coated fertilizer to uniform；
(2) by humic acidss, shitosan, solid spawn, Borax, zinc sulfate, Folium Pini leaf mould, para-molybdic acid, acetone acid, ulmic acid,
The water mixing and stirring of nitro humic acid and gross weight 2-3 times, adds rice husk micropowder and dodecylbenzene sodium sulfonate,
Matter stir process 15-20min, dry that nutritive powder is standby using spray drying technology；
(3) by crop material compost 36-40d, it is put into crushing 20-30min in pulverizer afterwards, crosses 300 mesh steel sieve, obtain major ingredient
Powder, major ingredient powder and nutritive powder mixing are put in blender of the top with shower nozzle, and stirring 15-16min is to adopting after uniform
With 35% that centrifuge dehydration to moisture is gross weight, there is twin-channel coated fertilizer, shape uniformly spraying into by shower nozzle
Into the wet stock with coated fertilizer；
(4) roller pelletizer by the wet stock feeding with coated fertilizer with hot-air blower, setting speed 380-390r/min,
Temperature 86-90 DEG C, pelletize 46-50min are crossed 50 mesh steel sieve, obtain spherical fertilizer, by the spherical fertilizer first with -3 DEG C of freezings of low temperature
20-22min, is progressively being warming up to 100 DEG C using 60 DEG C, is being obtained final product to dry with 1 DEG C/min heating modes baking 40min.
3. the biological organic fertilizer preparation method in salt-soda soil is exclusively used in described in claim 1, it is characterised in that：The solid spawn
Preparation process is：By lactic acid bacteria, bacillus subtilises, bacillus megaterium, Trichoderma spp., aspergillus niger, monascuses, trichoderma harzianum,
Microorganism Aspergillus aculeatus and yeast are individually fermented respectively using industrial fermentation tank, and operating procedure and process conditions are：
A, the preparation of basal medium：Soybean with water boils 30min, is settled to after filtration；
Prepared by b, lactic acid bacteria, bacillus subtilises, trichoderma harzianum, bacillus megaterium culture medium：Carnis Bovis seu Bubali cream 1g, peptone
2g, sodium chloride 1g, glucose 3g, basal medium 200mL, pH 7.5,
Prepared by c, Trichoderma spp., aspergillus niger, monascuses, yeast culture medium：Glucose 7g, potassium dihydrogen phosphate 0.4g, peptone 2g, sulphuric acid
Magnesium 0.2g, basal medium 400mL, pH 6.5, after the completion of prepared by culture medium, autoclave sterilization 30min accesses corresponding bacterium after cooling
Kind, the flat bottle that will be equipped with culture medium before inoculation sterilizes 30 minutes under the conditions of 121 DEG C, is cultivated after inoculation under the conditions of 28～35 DEG C
30～48h, is made into spore liquid, is inoculated with for seed tank with the inoculum concentration of percent by volume 5%；
D, seed tank fermentation：First first class seed pot is sterilized, is sterilized after loading seed tank fermentation medium again, is cooled to 30 DEG C,
Spore liquid is accessed in culture fluid, after fermentation tank inoculation, is cultivated 36～48 hours under the conditions of 28～35 DEG C, ventilation 1～
2Vols/vol min, oxygen content 30～40%；, obtain first class seed pot zymocyte liquid；Secondary seed tank is gone out at 121 DEG C
Bacterium 30min, sterilizes after loading culture medium again, is cooled to 30 DEG C, and first class seed pot fermentation liquid is pressed percent by volume 5%～8%
Inoculum concentration accesses secondary seed tank, is passed through filtrated air and stirring is cultivated, obtain secondary seed tank zymocyte liquid；Fermentation liquid contains
Per milliliter of brood cell's number living puts tank up to more than 5,000,000,000 when brood cell's ratio is up to more than 95%, pH value 7.0-8.0, without living contaminantses, institute
State seed tank fermentation medium group to be divided into：10%～15wt% of Testa oryzae, 25%～35wt% of Semen Glyciness, 20%～30wt% of white sugar,
15%～20wt% of fish flour, 5%～10wt% of carbamide, 5%～10wt% of trace element, 15%～25wt% of yeast powder, manna
2%～5wt% of alcohol, K2HPO41%～6wt%, KH2PO41%～6wt%, MgSO4·7H21～6wt% of O and water, respectively
Component sum is 100%.
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